Noob question

Discussion in 'Car Stereo Speakers' started by ookami28, Sep 30, 2006.

  1. ookami28

    ookami28 New Member

    hi i dont know much (yet) so hav a question...im lookin to upgrade my speakers (long process $ is tight) so i got a pair of infinity kappa 3ways 6.5 now a friend of mine jus brought 4 alpine type-r's 6.5 but is only goin to use 2 for the front only, he said i can have the other 2 along with his old 400watt kenwood amp...so my question is since the kappas are 2ohms and the type-r's are 4ohms would there be any problem ampin them with the kenwood? if so what should i do? Thanx
     
  2. TheViking

    TheViking Well-Known Member

    I am not sure of the minimum impedance of the kenwood amp, but am pretty sure it is 2 ohms. By running both sets of speakers on the amp you will drop the impedance below 2 ohms. NOW, if they are running above, say 100 Hz, the amp may be forgiving and let you get away with it due to the limited current demands of higher frequencies.( at your own risk) If the amp is 1 ohm stable , go for it, you will be fine..


    specify the model of the amp, that would le us know if it would work....INFO INFO INFO!!!!!!
     
  3. ookami28

    ookami28 New Member

    amp:Kenwood kac-6402
    Details:
    » 4-channel car amplifier
    » 40 watts RMS x 4 at 4 ohms (50 watts x 4 at 2 ohms)
    » 100 watts RMS x 2 bridged output at 4 ohms (4-ohm stable in bridged mode)
    » variable high-/low-pass filters (50-200 Hz at 12 dB per octave)
    » Tri-way capable (Tri-Way Crossover required)
    » MOSFET power supply
    » CEA-2006 compliant
    » preamp- and speaker-level inputs
    » requires 10-gauge power and ground leads — wiring and hardware not included with amplifier
    » fuse rating: 25A x 1
    » 15-1/4"W x 2-3/8"H x 9-9/16"D

    speakers:Kappa
    Details:
    » 3-way car speakers for 6-1/2" and 6-3/4" locations (pair)
    » 2-ohm impedance
    » Plus One woven-glass-fiber woofer cone with rubber surround
    » EMIT tweeter and M.M.D. midrange
    » computer-optimized outboard crossovers with tweeter level control
    » power range: 2-75 watts RMS (225 watts peak power)
    » frequency response: 45-25,000 Hz
    » sensitivity: 95 dB
    » Intermount III mounting system for fit in 6-3/4" openings
    » top-mount depth: 2

    speaker:Type-r
    Details:
    » 2-way car speakers for 6-1/2" and 6-3/4" locations (pair)
    » multi-layer pulp woofer cone with rubber surround
    » 1" silk dome tweeter
    » power handling: 2-50 watts RMS
    » frequency response: 35-30,000 Hz
    » sensitivity: 87 dB
    » peak power handling: 250 watts
    » mounting rings included for 6-1/2" applications
    » top-mount depth: 2-9/16"
     
  4. weird22person

    weird22person Full Member

    As long as you run one speaker to each channel you are fine.
     
  5. ookami28

    ookami28 New Member

    is this the right thinking....if i run the speakers in parallel wouldnt the total ohm load be 3ohm cuz the the 4ohm become 2ohm and the 2ohm become 1ohm or what if i jus run the 2ohm in series to bring them to 4ohm to match the other set???
     
  6. pedro quiroga

    pedro quiroga Well-Known Member

    run the kappas up front @2ohms in stereo from the front ch and the alpines @4 ohmsin stereo from the rear.your amp will run that way with no probs.
     
  7. Hautewheeler

    Hautewheeler Full Member

    run the 4ohm speaks off of the rear channels, one speaker per output, and run the 2ohm speaks off of the front channels, just run it in 4channel mode.

    you may have some issues though, with the 2ohm speaks being "louder" than the 4ohmers, but give it a try..

    and no.. if you parallel 4 ohm and 2 ohm together, it will be less than 2 ohms and unstable (probably)

    if you run them in series (one 2ohm plus one 4ohm per circuit) that will yield a six ohm load per set then run them (both sets) in parallel with eachother to one channel (bridged) then it will be on a three ohm total load, but that would be way too much power, and you'd definitely fry something, so don't even try it

    in fact, forget I even said anything, because that's a recipe for disaster.
    just run it in four channel mode and see how that sounds:D
     
  8. aznboi3644

    aznboi3644 Full Member

    Haute, how've you been???
     
  9. TheViking

    TheViking Well-Known Member

    no shyte, where the hell you been you dog felcher!!!!!! J/K!!!! good to see you back in this place, i think!!!!!!
     
  10. Ranger SVO

    Ranger SVO Full Member

    No Not Right

    A 4-ohm and a 2-ohm, parallel will be 1.333333333333 ohms.
    Ohms Law.

    And don't mix speaker impedences on an amp, I promise it won't like it.